Air sealing device of screw conveyer
By installing air-blowing baffles and packing seals at the connection points of the screw conveyor, the material leakage problem was solved, achieving an airtight seal for the screw conveyor, preventing material leakage, improving work efficiency, and reducing costs.
Patent Information
- Application Number
- CN202423310314.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing screw conveyors are prone to material leakage from the packing seal when the material is fine and has good flowability, leading to environmental pollution, material waste, reduced work efficiency, and increased costs.
An air-blowing baffle and a packing seal structure are installed at the connection between the spiral shell and the spiral tube of the screw conveyor. The air-blowing baffle is fixedly connected to the spiral shell and has a slot at the bottom to prevent material leakage. The packing seal structure is located at the top of the spiral tube to prevent material leakage.
It effectively prevents material leakage, reduces environmental pollution and material waste, improves the working efficiency of screw conveyors, and reduces costs.
Smart Images
Figure CN223891771U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to spiral conveyor technical field, specifically, relate to a kind of air seal device of spiral conveyor. BACKGROUND
[0002] In prior art, spiral conveyor belongs to conventional design, is used in a variety of occasions, when being transported to the material that material is relatively thin, fluidity is relatively good, material is easily leaked from packing seal, especially when spiral belt is inclined, material backflow, material leakage is more likely to occur, pollute the environment of scene, while causing material waste, reduce the working efficiency of spiral conveyor, increase cost. SUMMARY
[0003] The utility model discloses a kind of air seal device of spiral conveyor, to solve the problem of material leakage when spiral belt is inclined, i.e.
[0004] To achieve the above object, the utility model provides a kind of air seal device of spiral conveyor, including spiral conveyor, the spiral conveyor is inclined, in vertical direction, the discharge port of the spiral conveyor is higher than the inlet of the spiral conveyor;The inside of the spiral shell of the spiral conveyor is equipped with spiral pipe, the connecting place of the spiral shell and the spiral pipe is equipped with packing seal structure outside;
[0005] The inside of the connecting place of the spiral shell and the spiral pipe is equipped with air blowing baffle, the air blowing baffle is attached to the inner wall of the spiral shell, and the air blowing baffle is fixedly connected with the spiral shell.
[0006] Preferably, the air blowing baffle is fixedly connected with the spiral shell by the sleeve joint outside the spiral shell.
[0007] Preferably, the air blowing baffle and the spiral shell are equipped with inner lining baffle, and the inner lining baffle is used to assist the air blowing baffle to be fixed.
[0008] Preferably, the air blowing baffle lower part is equipped with the slot with the same diameter as the spiral pipe, and the slot is used to prevent material leakage.
[0009] Preferably, the packing seal structure is located in the upper portion of the spiral pipe in vertical direction, and the packing seal structure is used to prevent material leakage.
[0010] Compared with the prior art, the technical scheme provided by the application has the beneficial effects as follows: the spiral conveyor provided by the utility model, especially the spiral conveyor with the upper ship type bin opening, has more material and good flowability of the material, the air blowing baffle is arranged on the inner side of the end plate of the spiral conveyor, the air blowing baffle is isolated from the packing seal, the leakage of the material is prevented, the leakage of the material does not cause pollution to the environment on site, meanwhile, the waste of the material is prevented, the working efficiency of the spiral conveyor is improved, and the cost is reduced; since the air blowing baffle and the shaft are in clearance fit, a small part of the material will flow into the inner side of the air seal baffle, therefore, the air blowing is arranged to blow the material from the slotted part of the air blowing baffle to the lower part, so that the material can be completely prevented from leaking from the packing seal, and the scheme is more practical for the working condition that oil is not allowed to be added to the packing seal. BRIEF DESCRIPTION OF DRAWINGS
[0011] Other features, objects and advantages of the utility model will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0012] Figure 1 It is a structural diagram of the existing spiral conveyor;
[0013] Figure 2 It is a structural diagram of the spiral conveyor of the utility model;
[0014] Figure 3 It is a partial enlarged view of the utility model Figure 2
[0015] Figure 4 It is a structural diagram of the air seal device of the utility model;
[0016] In the drawing: 1. speed reducer motor, 2. plum blossom coupling, 3. coupling protective cover, 4. bearing seat assembly, 5. packing seal, 6. spiral shell, 7. spiral pipe, 8. spiral blade, 9. spiral cover plate, 10. spiral inspection port, 11. spiral discharge port, 12. feed inlet, 13. support plate, 14. air blowing baffle, 15. clamping sleeve joint, 16. slot. DETAILED DESCRIPTION
[0017] The technical scheme in the embodiments of the utility model will be described and discussed clearly and completely in combination with the drawings of the utility model, obviously, only a part of examples of the utility model are described here, not all examples, based on the embodiments in the utility model, all other examples obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.
[0018] It should be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. In addition, it should be understood that when an element is referred to as being "connected, coupled, or "disposed" to another element, it can be directly connected, coupled, or disposed to the other element or intervening elements can also be present. When an element is referred to as being "configured to" perform a task, it can be configured to perform the task, or it can be configured to perform the task with the assistance of one or more other elements. The term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the terms "may" and "can" include one or more instances of the feature that follows the respective term. The term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
[0020] Referring to Figure 2 , Figure 3 and Figure 4 , the embodiment provides an air seal device of a screw conveyor, comprising a screw conveyor, the screw conveyor is arranged obliquely, in the vertical direction, the discharge port of the screw conveyor is higher than the feeding port of the screw conveyor; the inside of the screw shell of the screw conveyor is provided with a screw pipe, the outside of the connection between the screw shell and the screw pipe is provided with a packing seal structure; the inside of the connection between the screw shell and the screw pipe is provided with a blow-off baffle, the blow-off baffle is attached to the inner wall of the screw shell, and the blow-off baffle is fixedly connected with the screw shell.
[0021] The blow-off baffle is fixedly connected with the screw shell through a sleeve joint arranged outside the screw shell, in the embodiment, the sleeve joint is made of stainless steel. An inner lining partition plate is arranged between the blow-off baffle and the screw shell, and the inner lining partition plate is used to assist the fixation of the blow-off baffle. A slot with the same diameter as the screw pipe is arranged in the lower part of the blow-off baffle, and the slot is used to prevent material leakage. The packing seal structure is arranged at the upper part of the screw pipe in the vertical direction, and the packing seal structure is used to prevent material leakage.
[0022] The screw conveyor provided by the embodiment is particularly suitable for the screw conveyor connected to the ship-loading type bin port. The material is more and has good flowability. The blow-off baffle is arranged inside the end plate of the screw conveyor, and the blow-off baffle is isolated from the packing seal. Since the blow-off baffle and the shaft are in clearance fit, a small amount of material will flow into the inside of the blow-off baffle. Therefore, the material is blown from the slot of the blow-off baffle to the lower part by blowing, so that the material leakage from the packing seal can be completely avoided. The scheme is more practical for the working condition in which oil is not allowed to be added to the packing seal.
[0023] It should be noted that, referring to Figure 1 The spiral conveyor provided by the embodiment is improved on the basis of the existing spiral conveyor, and specifically comprises a speed reducer motor, a plum blossom coupling, a coupling protective cover, a bearing seat assembly, a packing seal, a spiral shell, a spiral pipe, a spiral blade, a spiral cover plate, a spiral inspection port, a spiral discharge port, a feeding port and a supporting plate, referring to Figure 1 The connection relationship of the above components is clear and is not in doubt on the basis of the prior art, and will not be described here.
[0024] The specific embodiments of the utility model have been described above. It should be understood that the utility model is not limited to the specific implementation described above, and one or more of the above embodiments can be combined. Those skilled in the art can make various changes or modifications or combinations within the scope of the claims, which does not affect the essential content of the utility model. In the case of no conflict, the features in the embodiments and the embodiments can be combined arbitrarily.
Claims
1. An airtight device for a screw conveyor, comprising a screw conveyor, characterized in that, The screw conveyor is inclined, and in the vertical direction, the discharge port of the screw conveyor is higher than the inlet of the screw conveyor; the screw shell of the screw conveyor is provided with a screw tube inside, and a packing seal structure is provided on the outside of the connection between the screw shell and the screw tube; An air-blowing baffle is provided on the inner side of the connection between the spiral shell and the spiral tube. The air-blowing baffle is in contact with the inner wall of the spiral shell and is fixedly connected to the spiral shell.
2. The airtight device for a screw conveyor according to claim 1, characterized in that, The air blow baffle is fixedly connected to the spiral housing via a ferrule fitting located on the outside of the spiral housing.
3. The airtight device for a screw conveyor according to claim 2, characterized in that, An inner lining partition is provided between the air blow baffle and the spiral shell, and the inner lining partition is used to assist in fixing the air blow baffle.
4. The airtight device for a screw conveyor according to claim 3, characterized in that, The lower part of the air-blowing baffle has a groove with the same diameter as the spiral tube, and the groove is used to prevent material leakage.
5. The airtight device for a screw conveyor according to claim 4, characterized in that, The packing seal structure is located at the upper part of the spiral tube in the vertical direction, and the packing seal structure is used to prevent material leakage.